<script setup>
import { getCategoryFilterAPI, getSubCategoryAPI } from "@/apis/category";
import { useRoute } from "vue-router";
import { ref, onMounted } from "vue";
import GoodsItem from "../Home/components/GoodsItem.vue";
// 获取二级分类列表数据
const categoryData = ref({});
const route = useRoute();
const getCategoryData = async () => {
  const res = await getCategoryFilterAPI(route.params.id);
  categoryData.value = res.result;
};
onMounted(() => {
  getCategoryData();
});

// 获取基础列表数据
const goodList = ref([]);
// 请求参数
const reqData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: "publishTime",
});
const getGoodList = async () => {
  const res = await getSubCategoryAPI(reqData.value);
  goodList.value = res.result.items;
};
onMounted(() => {
  getGoodList();
});
// 切换tab页操作
const onChangeTab = () => {
  reqData.value.page = 1;
  getGoodList();
};
// 是否禁用下拉加载数据
const disabled = ref(false);
// 下拉加载更多数据
const load = async () => {
  // 获取下一页数据
  reqData.value.page++;
  const res = await getSubCategoryAPI(reqData.value);
  goodList.value = [...goodList.value, ...res.result.items];
  if (res.result.items.length === 0) {
    disabled.value = true;
  }
};
</script>

<template>
  <div class="container">
    <!--面包屑-->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }"
          >{{ categoryData.parentName }}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>

    <div class="sub-container">
      <el-tabs v-model="reqData.sortField" @tab-change="onChangeTab">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div
        class="body"
        v-infinite-scroll="load"
        :infinite-scroll-disabled="disabled"
      >
        <!--商品列表-->
        <GoodsItem v-for="item in goodList" :key="item.id" :good="item" />
      </div>
    </div>
  </div>
</template>

<style scoped lang="scss">
.bread-container {
  padding: 20px 0 10px 20px;
  color: #666;
}
.sub-container {
  width: 100%;
  padding: 0 20px 0 20px;
  .body {
    // display: flex;
    // flex-wrap: wrap;
    // justify-content: space-between;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }
  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;
    img {
      width: 160px;
      height: 160px;
    }
    p {
      padding-top: 10px;
    }
    .name {
      font-size: 16px;
    }
    .desc {
      color: #999;
      height: 29px;
    }
    .price {
      color: $priceColor;
      font-size: 20px;
    }
    .pagination-container {
      margin-top: 20px;
      display: flex;
      justify-content: center;
    }
  }
}
</style>
